If a tree has 10 dark rings and 10 light rings, how old is the tree?

Ricardo is using polymerase chain reaction to quickly make copies of a segment of DNA. Ricardo needs to measure an exact amount of solution in order to place the solution in a test tube with the DNA that is to be copied.

A plant and an animal are both living things. According to the cell theory what can you conclude about these two very different organisms

What is the longest largest and strongest bone in the human skeleton?

Describa un ejemplo del mundo real en el que la cantidad de energía potencial y cinética cambia, pero la cantidad total de energía mecánica permanece igual.

The differnce between weather and climate is

How are organisms in the bacteria and archaea domains similar apex?

Which process is response for changing the composition of rock? chemical weten mechanical weather Save and

Limb bones within unrelated animals that have the same basic structure are considered

Explain how compaction is important in the formation of coal

Joel is comparing two slides showing chromosomes in a sperm cell and a skin cell of a dog. He finds that the sperm cell has 39 chromosomes. How many chromosomes can he expect in the skin cell?